Check that the coolant fans are still working, then check out the water pump.
try a radiator cap......or you have a head gasket leak.
it can..rain has NOTHING to do with your radiator or the thermostat
Be sure the thermostat is not installed backwards.
The thermostat on a 2.7L Dodge Intrepid is under the housing where the lower radiator hose attaches to the engine.
the thermostat on the 99 intrepid with the 2.7L is on the bottom water hose.the hose runs from the radiator at the bottom to the engine... the thermostat is on the engine... it is right next to the anternator.thanksAnswerHi Most thermostats are usually found on the engine side of the upper radiator hose.B.H.
Under the housing where the lower radiator hose hooks to the engine.
It is under the housing that the upper radiator hose hooks to on the engine.
/ Follow the top radiator hose down to the water outlet on the engine; the thermostat is in there. Follow the top radiator hose down to the water outlet on the engine; the thermostat is in there.
It could be the thermostat. Open up the radiator cap when it is hot and see if the water is flowing in the radiator. If it is not then it may be a thermostat.
Follow the upper radiator hose to the engine. The thermostat will be located near where it connects to the engine.
Under the housing where the lower radiator hose hooks to the engine.
Follow the lower radiator hose to the block. The thermostat is under the housing the lower hose hooks to.